Finite Group Databasebeta

C5×#7987 #11930707

order1280
nilpotency class3
isoclinismisoclinic class of #1284
automorphism?
homologyAbelianization (H1) = C2×C42×C5 · Schur multiplier (H2) = C22×C4

Aliases

direct productC5×#7987

Subgroups

subgroupG/H
centerC2×C4×C5#95
commutatorC2×C4C2×C42×C5
Frattini, cosocleC2×C42C23×C5
socleC22×C5C2×#95
prime radicalC24×C5C4⋊C4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C5 ◁ C22×C42×C5 ◁ G

542 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 37
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 3 generators on 37 points:

(1,2,3,4,5)(6,7,9,14,11,15,10,13)(8,16,17,12,19,20,18,21)(22,23,26,31,27,30,25,29)(24,32,33,37,34,28,35,36);(6,8,10,18,11,19,9,17)(7,12,14,20,15,21,13,16)(22,24)(23,28)(25,33)(26,35)(27,34)(29,36)(30,32)(31,37);(22,25,27,26)(23,29,30,31)(24,33,34,35)(28,36,32,37)

Conjugacy classes & character table

320 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 975);